Frontier Truck Parts Meritor Axles & Differentials For Sale

Frontier Truck Parts
4363 Walnut Dale Dr.
Dorr, MI 49323
United States
(855) 300-2939

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Differentials, Rear

Axle Shafts

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26 - 50 of 502 listings

Used Meritor Passenger Side Spindle

$425 USD

Used Meritor Passenger Side Spindle, Side: Passenger

Condition	Used
Fits To Make(s)	Meritor
Side	Passenger
Part Number	A23111D2864
Stock Number	401-21654
MLS Number	14613661
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1997 Used Meritor Driver Side Spindle

$625 USD

Used Meritor Driver Side Spindle, Side: Driver

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	FL-941
Will Fit Year(s)	1997
Side	Driver
Part Number	A3111C3539
Stock Number	401-21691
MLS Number	14613658
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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1999 Used Meritor Passenger Side Spindle

$278.58 USD

Used Meritor Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	FF961
Will Fit Year(s)	1999
Side	Passenger
Part Number	A3111D4372
Stock Number	401-21697
MLS Number	14613657
Category	Spindles / Knuckles
Last Updated	9/19/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Meritor LH Spindle

$635.17 USD

New Meritor LH Spindle, Side: Driver, ABS: Yes

Condition	New
Side	Driver
Part Number	A3111K4613
Stock Number	401-21705
MLS Number	14611886
Category	Spindles / Knuckles
Last Updated	9/18/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Meritor RPL23164 Ratio 4.30 Locker

$1,995 USD

Used RPL23164 Ratio 4.30 Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RD-23-164
Will Fit Year(s)	2019
Part Number	A23200K2117
Stock Number	700-15422
MLS Number	14601862
Category	Differentials, Unspecified
Last Updated	9/13/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Meritor RD-20-145 Front Spring Axle Housing

$2,200 USD

NTO RD-20-145 Front Spring Axle Housing, Position: Front

Quantity	4
Condition	New
Fits To Make(s)	Meritor
Fits To Model(s)	RD-20-145
Part Number	3121R2280
Stock Number	300-25481
MLS Number	14597686
Category	Axle Housings
Last Updated	9/11/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Meritor RD-20-145 Chalmers Axle Housing

$2,450 USD

Reconditioned RD-20-145 Chalmers Axle Housing, Position: Front

Condition	Remanufactured
Part Number	3121N2302
Stock Number	300-23521
MLS Number	14593805
Category	Axle Housings
Last Updated	9/10/2026
Location	Dorr, MI, US
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2012 Used Meritor MS1914X Ratio 5.13 Non-Locker

$1,195 USD

Used MS1914X Ratio 5.13 Non-Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RR-19-145
Will Fit Year(s)	2012
Part Number	3200L1676
Stock Number	700-15544
MLS Number	14593766
Category	Differentials, Unspecified
Last Updated	9/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2024 Reconditioned Meritor RS-23-160 Air Ride

$2,850 USD

Reconditioned RS-23-160 Air Ride, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	RS-23-160
Will Fit Year(s)	2024
Part Number	3121Z1872
Stock Number	300-27586
MLS Number	14593764
Category	Axle Housings
Last Updated	9/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2024 Used Meritor RS23160 Differential - Ratio: 2.67 - Non-Locker

$1,195 USD

Used RS23160 Differential - Ratio: 2.67 - Non-Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RS-23-160
Will Fit Year(s)	2024
Part Number	A23200E2137
Stock Number	700-15551
MLS Number	14593763
Category	Differentials, Unspecified
Last Updated	9/10/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2012 Used Meritor MR2014X Rear Air Ride Dual Trac Axle Assembly

$2,850 USD

Used MR2014X Rear Air Ride Dual Trac Axle Assembly, Position: Rear

Condition	Used
Fits To Make(s)	Freightliner
Fits To Model(s)	Cascadia
Will Fit Year(s)	2012
Part Number	MR2014X3MFRNN510355
Stock Number	317-12905
MLS Number	14591374
Category	Axle Assemblies, Rear
Last Updated	9/9/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2014 Reconditioned Meritor RD-23-160 Chalmers Axle Housing

$2,850 USD

Reconditioned RD-23-160 Chalmers Axle Housing, Position: Front

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	RD-23-160
Will Fit Year(s)	2014
Part Number	3121L1858
Stock Number	300-27348
MLS Number	14591363
Category	Axle Housings
Last Updated	9/9/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Meritor RH Spindle

$997.27 USD

New Meritor RH Spindle, Side: Passenger, ABS: Yes

Quantity	2
Condition	New
Side	Passenger
Part Number	A3111J4144
Stock Number	401-21554
MLS Number	14540008
Category	Spindles / Knuckles
Last Updated	9/9/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2013 Reconditioned Meritor RD-20-145 Spring Front Rear

$2,150 USD

Reconditioned RD-20-145 Spring Front Rear, Position: Front

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	14X
Will Fit Year(s)	2013
Part Number	3121M1729
Stock Number	300-25511
MLS Number	14579563
Category	Axle Housings
Last Updated	9/2/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Meritor RR-20-145 Chalmers Rear Axle Housing

$2,450 USD

Reconditioned RR-20-145 Chalmers Rear Axle Housing, Position: Rear

Condition	Remanufactured
Part Number	3121E2111
Stock Number	300-24787
MLS Number	14577308
Category	Axle Housings
Last Updated	9/1/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Meritor RR-20-145 Walking Beam Axle Housing

$2,150 USD

Reconditioned RR-20-145 Walking Beam Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	MR2014X
Part Number	3121L1728
Stock Number	300-25731
MLS Number	14577300
Category	Axle Housings
Last Updated	9/1/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2016 Reconditioned Meritor RR-20-145 Chalmers Axle Housing

$2,450 USD

Reconditioned RR-20-145 Chalmers Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	14X
Will Fit Year(s)	2016
Part Number	3121P1966
Stock Number	300-27468
MLS Number	14570130
Category	Axle Housings
Last Updated	8/28/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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New Meritor RR-23-160 Spring Axle Housing

$3,500 USD

New RR-23-160 Spring Axle Housing, Position: Rear

Quantity	3
Condition	New
Part Number	3121K1857
Stock Number	300-24559
MLS Number	12982396
Category	Axle Housings
Last Updated	8/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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Reconditioned Meritor RR-20-145 AG-380 Flex Air Axle Housing

$2,150 USD

Reconditioned RR-20-145 AG-380 Flex Air Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	MR2014X
Part Number	3121L1728
Stock Number	300-27288
MLS Number	14483172
Category	Axle Housings
Last Updated	8/26/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2020 Reconditioned Meritor RS-23-160 Air Ride Axle Housing

$2,850 USD

Reconditioned RS-23-160 Air Ride Axle Housing, Position: Rear

Condition	Remanufactured
Fits To Make(s)	Meritor
Fits To Model(s)	RS-23-160
Will Fit Year(s)	2020
Part Number	3121K1857
Stock Number	300-27432
MLS Number	14562011
Category	Axle Housings
Last Updated	8/25/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2019 Used Meritor RR23160 Differential - Ratio: 2.93 - Non-Locker

$1,195 USD

Used RR23160 Differential - Ratio: 2.93 - Non-Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	RS-23-160
Will Fit Year(s)	2019
Part Number	A43200E2137293
Stock Number	700-15508
MLS Number	14556408
Category	Differentials, Unspecified
Last Updated	8/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2021 Used Meritor MRL2014X Ratio 2.64 Locker

$1,195 USD

Used MRL2014X Ratio 2.64 Locker

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	MR2014X
Will Fit Year(s)	2021
Part Number	A23200G1879
Stock Number	700-15528
MLS Number	14556405
Category	Differentials, Unspecified
Last Updated	8/21/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2018 Used Meritor Driver Side Spindle

$380 USD

Used Meritor Driver Side Spindle, Side: Driver, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Will Fit Year(s)	2018
Side	Driver
Part Number	A3111J4742
Stock Number	401-21608
MLS Number	14547359
Category	Spindles / Knuckles
Last Updated	8/18/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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NTO Meritor MFS18 Driver Side Spindle

$1,146.60 USD

NTO MFS18 Driver Side Spindle, Side: Driver, ABS: Yes

Condition	New
Fits To Make(s)	Meritor
Fits To Model(s)	MFS18
Side	Driver
Part Number	A3111U3193
Stock Number	401-21559
MLS Number	14544626
Category	Spindles / Knuckles
Last Updated	8/15/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts

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2004 Used Meritor Passenger Side Spindle

$750 USD

Used Meritor Passenger Side Spindle, Side: Passenger, ABS: Yes

Condition	Used
Fits To Make(s)	Meritor
Fits To Model(s)	FF961
Will Fit Year(s)	2004
Side	Passenger
Part Number	A3111Z3302
Stock Number	401-21563
MLS Number	14544625
Category	Spindles / Knuckles
Last Updated	8/15/2026
Location	Dorr, MI, US
Sold By	Frontier Truck Parts